- Schematic diagram of a double-acting hydraulic governor.
- Cutaway drawing of a double-acting hydraulic governor.
- CURTISS-WRIGHT COMPANY GOVERNOR OPERATION MANUAL.
- Woodward... At the Heart of the System Since 1870.
- Vintage machine shop manufacturing history project.
- The Chief
- Prime Mover Control patent history project.
- Governor mechanism patent.
- Governor mechanism on display at the Smithsonian museum.
- Governor mechanism on display at the Smithsonian museum.
- Governor mechanism on display at the Smithsonian museum.
- Vintage machine shop manufacturing history project.
- Vintage machine shop manufacturing history project.
- From the oldwoodward.com archives.
- From the oldwoodward.com archives.